一、概述
V | - | (X) | X | - | X | - | X | X | X | - | X | X | X |
| | | | | | | | | | | | | | | | | | | | | | |
代號 | | A | B | | C | | D | E | F | | G | H | I |
C | 表體內(nèi)徑(mm) |
15 | DN15 |
20 | DN20 |
25 | DN25 |
32 | DN32 |
40 | DN40 |
50 | DN50 |
65 | DN65 |
80 | DN80 |
100 | DN100 |
125 | DN125 |
150 | DN150 |
200 | DN200 |
250 | DN250 |
300 | DN300 |
350 | DN350 |
400 | DN400 |
450 | DN450 |
500 | DN500 |
600 | DN600 |
700 | DN700 |
800 | DN800 |
900 | DN900 |
1000 | DN1000 |
1100 | DN1100 |
1200 | DN1200 |
1300 | DN1300 |
1400 | DN1400 |
1500 | DN1500 |
2000 | DN2000 |